Removed unfinished code from master. Added some documentation to riemanntheta. Removed a minor bug that caused an exception whenever a batch computation was done following a single computation with the same Riemann matrix.
Removed unfinished code from master. Added some documentation to riemanntheta. Removed a minor bug
that caused an exception whenever a batch computation was done following a single computation with the same
Riemann matrix.

cswiercz/abelfunctions,cswiercz/abelfunctions,abelfunctions/abelfunctions,abelfunctions/abelfunctions,cswiercz/abelfunctions,abelfunctions/abelfunctions